# Exercise the case where a read-only serializable transaction has # SXACT_FLAG_RO_SAFE set in a parallel query. setup { CREATE TABLE foo AS SELECT generate_series(1, 10)::int a; ALTER TABLE foo SET (parallel_workers = 2); } teardown { DROP TABLE foo; } session s1 setup { BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE; } step s1r { SELECT * FROM foo; } step s1c { COMMIT; } session s2 setup { BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE READ ONLY; SET parallel_setup_cost = 0; SET parallel_tuple_cost = 0; } step s2r1 { SELECT * FROM foo; } step s2r2 { SELECT * FROM foo; } step s2c { COMMIT; } permutation s1r s2r1 s1c s2r2 s2c